基于附加阻尼控制的风电并网系统阻尼转矩分析  

Damping Torque Analysis of Grid-connected Wind Power System Based on Supplementary Damping Control

作　　者：伍双喜 赵仕兴 秦颖婕 闫斌杰 向丽玲 杨亚楠 李宇骏 WU Shuangxi;ZHAO Shixing;QIN Yingjie;YAN Binjie;XIANG Liling;YANG Yanan;LI Yujun(Electric Power Dispatching and Control Center of Guangdong Power Grid Co.,Ltd.,Guangzhou 510060,China;School of Electrical Engineering,Xi’an Jiaotong University,Xi’an 710049,China)

机构地区：[1]广东电网有限责任公司电力调度控制中心,广东广州510060 [2]西安交通大学电气工程学院,陕西西安710049

出　　处：《智慧电力》2023年第9期97-104,共8页Smart Power

基　　金：国家自然科学基金资助项目(52277122);南方电网公司科技项目资助(GDKJXM20220335)。

摘　　要：针对双馈感应风力发电机组附加阻尼控制器对系统低频振荡阻尼的影响进行了研究。首先建立了双馈风电机组接入区域互联系统的动态模型,并基于风电系统功率控制回路设计附加阻尼控制器,使风电机组能够主动抑制系统的低频振荡。然后通过阻尼转矩分析证明了基于附加阻尼控制器的风电机组可以增强系统的阻尼;并导出系统阻尼转矩系数的解析表达式,进一步分析控制参数和系统运行条件对系统阻尼特性的影响。最后,在算例中对风电机组接入区域互联系统进行了仿真验证,证明了理论分析的结果。The impact of supplementary damping controller for the doubly fed induction generator on system low frequency oscillation damping is studied.The simplified mathematical model of inter-area system is set up,and an auxiliary damping controller is designed based on the active power control loop of the wind turbine,so that the wind turbine can actively suppress the system low-frequency oscillation.It is proved that the wind turbine additional damping controller can enhance the system damping through the damping torque analysis.The expression of damping torque coefficient is deduced,which reveal the impact of control parameters and operating conditions on the system damping characteristics.Finally,the wind turbine accessed in area interconnection system is simulated and verified in an example,and the results of theoretical analysis are proved.

关 键 词：附加阻尼控制 双馈感应风力发电机 阻尼转矩分析 区域互联系统 下垂控制 

分 类 号：TM712[电气工程—电力系统及自动化]